diff options
Diffstat (limited to 'payloads/libpayload/arch')
| -rw-r--r-- | payloads/libpayload/arch/mips/Kconfig | 24 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/Makefile.inc | 33 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/cache.c | 72 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/coreboot.c | 51 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/dummy_media.c | 42 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/exception.c | 103 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/exception_asm.S | 200 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/gdb.c | 27 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/head.S | 96 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/libpayload.ldscript | 86 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/main.c | 58 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/selfboot.c | 36 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/string.c | 77 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/sysinfo.c | 49 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/timer.c | 52 | ||||
| -rw-r--r-- | payloads/libpayload/arch/mips/util.S | 22 |
16 files changed, 0 insertions, 1028 deletions
diff --git a/payloads/libpayload/arch/mips/Kconfig b/payloads/libpayload/arch/mips/Kconfig deleted file mode 100644 index b6e326b967..0000000000 --- a/payloads/libpayload/arch/mips/Kconfig +++ /dev/null @@ -1,24 +0,0 @@ -# -# This file is part of the libpayload project. -# -# Copyright (C) 2014 Imagination Technologies -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; version 2 of -# the License. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# - - -if ARCH_MIPS - -config ARCH_SPECIFIC_OPTIONS # dummy - def_bool y - select LITTLE_ENDIAN - -endif diff --git a/payloads/libpayload/arch/mips/Makefile.inc b/payloads/libpayload/arch/mips/Makefile.inc deleted file mode 100644 index 2bd112f6b8..0000000000 --- a/payloads/libpayload/arch/mips/Makefile.inc +++ /dev/null @@ -1,33 +0,0 @@ -# -# This file is part of the libpayload project. -# -# Copyright (C) 2014 Imagination Technologies -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; version 2 of -# the License. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# - -############################################################################### -CFLAGS += -march=mips32r2 -mxgot - -head.o-y += head.S - -libc-y += cache.c -libc-y += coreboot.c -libc-y += dummy_media.c -libc-y += exception_asm.S -libc-y += exception.c -libc-y += gdb.c -libc-y += main.c -libc-y += selfboot.c -libc-y += sysinfo.c -libc-y += string.c -libc-y += timer.c -libc-y += util.S diff --git a/payloads/libpayload/arch/mips/cache.c b/payloads/libpayload/arch/mips/cache.c deleted file mode 100644 index 4338415c5f..0000000000 --- a/payloads/libpayload/arch/mips/cache.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Imagination Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <arch/cache.h> - - -void dcache_clean_all(void) -{ - /* TODO */ -} - -void dcache_invalidate_all(void) -{ - /* TODO */ -} -void dcache_clean_invalidate_all(void) -{ - /* TODO */ -} - -void tlb_invalidate_all(void) -{ - /* TODO */ -} - -unsigned int dcache_line_bytes(void) -{ - /* TO DO */ - return 0; -} - -void dcache_mmu_disable(void) -{ - /* TODO */ -} - -void dcache_mmu_enable(void) -{ - /* TODO */ -} - -void cache_sync_instructions(void) -{ - /* TODO */ -} - -void mmu_init(void) -{ - /* TODO */ -} - -void mmu_disable_range(unsigned long start_mb, unsigned long size_mb) -{ - /* TODO */ -} -void mmu_config_range(unsigned long start_mb, unsigned long size_mb, - enum dcache_policy policy) -{ - /* TODO */ -} diff --git a/payloads/libpayload/arch/mips/coreboot.c b/payloads/libpayload/arch/mips/coreboot.c deleted file mode 100644 index e2b5557cba..0000000000 --- a/payloads/libpayload/arch/mips/coreboot.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Imagination Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <libpayload-config.h> -#include <libpayload.h> -#include <coreboot_tables.h> - -/* This pointer gets set in head.S and is passed in from coreboot. */ -void *cb_header_ptr; - -static void cb_parse_dma(void *ptr) -{ - struct lb_range *dma = (struct lb_range *)ptr; - init_dma_memory(bus_to_virt(dma->range_start), dma->range_size); -} - -/* Architecture specific */ -int cb_parse_arch_specific(struct cb_record *rec, struct sysinfo_t *info) -{ - switch (rec->tag) { - case CB_TAG_DMA: - cb_parse_dma(rec); - break; - default: - return 0; - } - return 1; - -} - -int get_coreboot_info(struct sysinfo_t *info) -{ - return cb_parse_header(cb_header_ptr, 1, info); -} - -void *get_cb_header_ptr(void) -{ - return cb_header_ptr; -} diff --git a/payloads/libpayload/arch/mips/dummy_media.c b/payloads/libpayload/arch/mips/dummy_media.c deleted file mode 100644 index 112d7feec8..0000000000 --- a/payloads/libpayload/arch/mips/dummy_media.c +++ /dev/null @@ -1,42 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Google, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ -#define LIBPAYLOAD - -#include <cbfs.h> - -/* The generic cbfs code relies on the libpayload_init_default_cbfs_media - * symbol. Therefore, provide an implementation that just throws an error. */ - -int libpayload_init_default_cbfs_media(struct cbfs_media *media); - -__attribute__((weak)) int libpayload_init_default_cbfs_media( - struct cbfs_media *media) -{ - return -1; -} diff --git a/payloads/libpayload/arch/mips/exception.c b/payloads/libpayload/arch/mips/exception.c deleted file mode 100644 index e488f2e3bd..0000000000 --- a/payloads/libpayload/arch/mips/exception.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Imagination Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <arch/exception.h> -#include <exception.h> -#include <libpayload.h> -#include <stdint.h> - -u32 exception_stack[0x400] __attribute__((aligned(8))); -struct exception_state_t exception_state; - -static const char *names[EXC_COUNT] = { - [EXC_CACHE_ERROR] = "Cache error exception", - [EXC_TLB_REFILL_AND_ALL] = "TLB refill or general exception", - [EXC_INTERRUPT] = "Interrupt", - [EXC_EJTAG_DEBUG] = "EJTAG debug exception" -}; - -static void dump_exception_state(void) -{ - printf("%s exception!\n", names[exception_state_ptr->vector]); - printf("\nRegisters:\n"); - printf("ZERO:\t0x%08x\n", exception_state_ptr->regs.zero); - printf("AT:\t0x%08x\n", exception_state_ptr->regs.at); - printf("V0:\t0x%08x\n", exception_state_ptr->regs.v0); - printf("V1:\t0x%08x\n", exception_state_ptr->regs.v1); - printf("A0:\t0x%08x\n", exception_state_ptr->regs.a0); - printf("A1:\t0x%08x\n", exception_state_ptr->regs.a1); - printf("A2:\t0x%08x\n", exception_state_ptr->regs.a2); - printf("A3:\t0x%08x\n", exception_state_ptr->regs.a3); - printf("T0:\t0x%08x\n", exception_state_ptr->regs.t0); - printf("T1:\t0x%08x\n", exception_state_ptr->regs.t1); - printf("T2:\t0x%08x\n", exception_state_ptr->regs.t2); - printf("T3:\t0x%08x\n", exception_state_ptr->regs.t3); - printf("T4:\t0x%08x\n", exception_state_ptr->regs.t4); - printf("T5:\t0x%08x\n", exception_state_ptr->regs.t5); - printf("T6:\t0x%08x\n", exception_state_ptr->regs.t6); - printf("T7:\t0x%08x\n", exception_state_ptr->regs.t7); - printf("S0:\t0x%08x\n", exception_state_ptr->regs.s0); - printf("S1:\t0x%08x\n", exception_state_ptr->regs.s1); - printf("S2:\t0x%08x\n", exception_state_ptr->regs.s2); - printf("S3:\t0x%08x\n", exception_state_ptr->regs.s3); - printf("S4:\t0x%08x\n", exception_state_ptr->regs.s4); - printf("S5:\t0x%08x\n", exception_state_ptr->regs.s5); - printf("S6:\t0x%08x\n", exception_state_ptr->regs.s6); - printf("S7:\t0x%08x\n", exception_state_ptr->regs.s7); - printf("T8:\t0x%08x\n", exception_state_ptr->regs.t8); - printf("T9:\t0x%08x\n", exception_state_ptr->regs.t9); - printf("K0:\t0x%08x\n", exception_state_ptr->regs.k0); - printf("K1:\t0x%08x\n", exception_state_ptr->regs.k1); - printf("GP:\t0x%08x\n", exception_state_ptr->regs.gp); - printf("SP:\t0x%08x\n", exception_state_ptr->regs.sp); - printf("FP:\t0x%08x\n", exception_state_ptr->regs.fp); - printf("RA:\t0x%08x\n", exception_state_ptr->regs.ra); -} - -static void dump_stack(uintptr_t addr, size_t bytes) -{ - int i, j; - const int words_per_line = 8; - int words_to_print; - uint32_t *ptr = (uint32_t *) - (addr & ~(words_per_line * sizeof(*ptr) - 1)); - - printf("Dumping stack:\n"); - words_to_print = bytes/sizeof(*ptr); - for (i = words_to_print; i >= 0; i -= words_per_line) { - printf("%p: ", ptr + i); - for (j = i; j < i + words_per_line; j++) - printf("%08x ", *(ptr + j)); - printf("\n"); - } -} - - -void exception_dispatch(void) -{ - u32 vec = exception_state_ptr->vector; - die_if(vec >= EXC_COUNT || !names[vec], "Bad exception vector %u", vec); - - dump_exception_state(); - dump_stack(exception_state_ptr->regs.sp, 512); - halt(); -} - -void exception_init(void) -{ - exception_stack_end = exception_stack + ARRAY_SIZE(exception_stack); - exception_state_ptr = &exception_state; - exception_init_asm(); -} diff --git a/payloads/libpayload/arch/mips/exception_asm.S b/payloads/libpayload/arch/mips/exception_asm.S deleted file mode 100644 index 118c12d965..0000000000 --- a/payloads/libpayload/arch/mips/exception_asm.S +++ /dev/null @@ -1,200 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Imagination Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#define STATUS_REGISTER $12,0 -#define BOOT_EXC_VECTOR_MASK (1 << 22) -#define EBASE_REGISTER $15,1 -#define EXCEPTION_BASE_MASK (0xFFFFF000) - - /* Don't reorder instructions */ - .set noreorder - .set noat - - .align 4 - .global exception_stack_end -exception_stack_end: - .word 0 - - .global exception_state_ptr -exception_state_ptr: - .word 0 - -/* Temporary variables. */ -ret_addr: - .word 0 -exception_sp: - .word 0 -vector: - .word 0 - -/* Cache error */ -.org 0x100 - li $v0, 0x0 - la $at, vector - sw $v0, 0x00($at) - b exception_common - nop - -/* TLB refill and all others */ -.org 0x180 - li $v0, 0x1 - la $at, vector - sw $v0, 0x00($at) - b exception_common - nop - -/* Interrupt */ -.org 0x200 - li $v0, 0x2 - la $at, vector - sw $v0, 0x00($at) - b exception_common - nop - -/* EJTAG debug exception */ -.org 0x480 - li $v0, 0x3 - la $at, vector - sw $v0, 0x00($at) - b exception_common - nop - -exception_common: - /* Obtain return address of exception */ - la $v0, ret_addr - sw $ra, 0x00($v0) - - /* Initialize $gp */ - bal 1f - nop - .word _gp -1: - lw $gp, 0($ra) - - la $at, exception_sp - sw $sp, 0x00($at) - lw $sp, exception_state_ptr - - /* Save all registers */ - sw $zero, 0x00($sp) - sw $at, 0x04($sp) - sw $v0, 0x08($sp) - sw $v1, 0x0C($sp) - sw $a0, 0x10($sp) - sw $a1, 0x14($sp) - sw $a2, 0x18($sp) - sw $a3, 0x1C($sp) - sw $t0, 0x20($sp) - sw $t1, 0x34($sp) - sw $t2, 0x28($sp) - sw $t3, 0x2C($sp) - sw $t4, 0x30($sp) - sw $t5, 0x34($sp) - sw $t6, 0x38($sp) - sw $t7, 0x3C($sp) - sw $s0, 0x40($sp) - sw $s1, 0x44($sp) - sw $s2, 0x48($sp) - sw $s3, 0x4C($sp) - sw $s4, 0x50($sp) - sw $s5, 0x54($sp) - sw $s6, 0x58($sp) - sw $s7, 0x5C($sp) - sw $t8, 0x60($sp) - sw $t9, 0x64($sp) - sw $k0, 0x68($sp) - sw $k1, 0x6C($sp) - sw $gp, 0x70($sp) - lw $v0, exception_sp - sw $v0, 0x74($sp) - sw $fp, 0x78($sp) - lw $v0, ret_addr - sw $v0, 0x7C($sp) - lw $v0, vector - sw $v0, 0x80($sp) - - /* Point SP to the stack for C code */ - lw $sp, exception_stack_end - /* Give control to exception dispatch */ - la $a2, exception_dispatch - jalr $a2 - nop - lw $sp, exception_state_ptr - /* Restore registers */ - lw $zero, 0x00($sp) - lw $at, 0x04($sp) - lw $v0, 0x08($sp) - lw $v1, 0x0C($sp) - lw $a0, 0x10($sp) - lw $a1, 0x14($sp) - lw $a2, 0x18($sp) - lw $a3, 0x1C($sp) - lw $t0, 0x20($sp) - lw $t1, 0x24($sp) - lw $t2, 0x28($sp) - lw $t3, 0x2C($sp) - lw $t4, 0x30($sp) - lw $t5, 0x34($sp) - lw $t6, 0x38($sp) - lw $t7, 0x3C($sp) - lw $s0, 0x40($sp) - lw $s1, 0x44($sp) - lw $s2, 0x48($sp) - lw $s3, 0x4C($sp) - lw $s4, 0x50($sp) - lw $s5, 0x54($sp) - lw $s6, 0x58($sp) - lw $s7, 0x5C($sp) - lw $t8, 0x60($sp) - lw $t9, 0x64($sp) - lw $k0, 0x68($sp) - sw $k1, 0x6C($sp) - sw $gp, 0x70($sp) - sw $fp, 0x78($sp) - sw $ra, 0x7C($sp) - /* Return */ - eret - - .global exception_init_asm -exception_init_asm: - .set push - /* Make sure boot exception vector is 1 before writing EBASE */ - mfc0 $t0, STATUS_REGISTER - li $t1, BOOT_EXC_VECTOR_MASK - or $t0, $t0, $t1 - mtc0 $t0, STATUS_REGISTER - - /*Prepare base address */ - la $t1, exception_stack_end - li $t2, EXCEPTION_BASE_MASK - and $t1, $t1, $t2 - - /* Prepare EBASE register value */ - mfc0 $t0, EBASE_REGISTER - li $t2, ~(EXCEPTION_BASE_MASK) - and $t0, $t0, $t2 - /* Filling base address */ - or $t0, $t0, $t1 - mtc0 $t0, EBASE_REGISTER - - /* Clear boot exception vector bit for EBASE value to take effect */ - mfc0 $t0, STATUS_REGISTER - li $t1, ~BOOT_EXC_VECTOR_MASK - and $t0, $t0, $t1 - mtc0 $t0, STATUS_REGISTER - - .set pop - /* Return */ - jr $ra diff --git a/payloads/libpayload/arch/mips/gdb.c b/payloads/libpayload/arch/mips/gdb.c deleted file mode 100644 index 7fd741aeb1..0000000000 --- a/payloads/libpayload/arch/mips/gdb.c +++ /dev/null @@ -1,27 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Imagination Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - - -#include <gdb.h> -#include <libpayload.h> - - -void gdb_arch_init(void) -{ -} - -void gdb_arch_enter(void) -{ -} diff --git a/payloads/libpayload/arch/mips/head.S b/payloads/libpayload/arch/mips/head.S deleted file mode 100644 index 203e0ae1bf..0000000000 --- a/payloads/libpayload/arch/mips/head.S +++ /dev/null @@ -1,96 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Imagination Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <arch/cpu.h> - - /* Disable interrupts and mark the kernel mode */ - .macro setup_c0_status clr - .set push - mfc0 $t0, $CP0_STATUS - or $t0, ST0_CU0 | 0x1f | \clr - xor $t0, 0x1f | \clr - mtc0 $t0, $CP0_STATUS - .set noreorder - sll $zero, 3 - .set pop - .endm - - /* Don't reorder instructions */ - .set noreorder - - .align 4 - - .global cb_header_ptr -cb_header_ptr: - .word 0 - - .global old_sp -old_sp: - .word 0 - - - .global _entry, _leave - .text - -/* Our entry point */ -_entry: - - /* - * This function saves off the previous stack and switches us to our - * own execution environment. - */ - - /* Clear watch and cause registers */ - mtc0 $zero, $CP0_WATCHLO - mtc0 $zero, $CP0_WATCHHI - mtc0 $zero, $CP0_CAUSE - - /* Disable interrupts */ - setup_c0_status 0 - - /* Don't use at in synthetic instr. */ - .set noat - - /* Init timer */ - mtc0 $zero, $CP0_COUNT - mtc0 $zero, $CP0_COMPARE - - /* Initialize $gp */ - bal 1f - nop - .word _gp -1: - lw $gp, 0($ra) - - /* Save off the location of the coreboot tables */ - la $at, cb_header_ptr - sw $a0, 0x00($at) - - /* Save old stack pointer */ - la $at, old_sp - sw $sp, 0x00($at) - - /* Setup new stack */ - la $sp, _stack - - /* Let's rock */ - la $a2, start_main - jalr $a2 - nop -_leave: - /* Restore old stack. */ - lw $sp, old_sp - /* Return to the original context. */ - eret diff --git a/payloads/libpayload/arch/mips/libpayload.ldscript b/payloads/libpayload/arch/mips/libpayload.ldscript deleted file mode 100644 index 351c2254fb..0000000000 --- a/payloads/libpayload/arch/mips/libpayload.ldscript +++ /dev/null @@ -1,86 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Imagination Technologies - * - * Based on src/arch/arm/ramstage.ld: - * Written by Johan Rydberg, based on work by Daniel Kahlin. - * Rewritten by Eric Biederman - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; version 2 of - * the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -OUTPUT_ARCH(mips) - -ENTRY(_entry) - -SECTIONS -{ - . = CONFIG_LP_BASE_ADDRESS; - - . = ALIGN(16); - _start = .; - - .text : { - *(.text._entry) - *(.text) - *(.text.*) - } - - .rodata : { - *(.rodata) - *(.rodata.*) - } - - .data : { - *(.data) - *(.data.*) - } - - _edata = .; - - .sdata : { - *(.srodata) - *(.sdata) - } - - _bss = .; - .bss : { - *(.sbss) - *(.sbss.*) - *(.bss) - *(.bss.*) - *(COMMON) - - /* Stack and heap */ - - . = ALIGN(16); - _heap = .; - . += CONFIG_LP_HEAP_SIZE; - . = ALIGN(16); - _eheap = .; - - _estack = .; - . += CONFIG_LP_STACK_SIZE; - . = ALIGN(16); - _stack = .; - } - _ebss = .; - - _end = .; - - /DISCARD/ : { - *(.comment) - *(.note*) - *(.reginfo) - - } -} diff --git a/payloads/libpayload/arch/mips/main.c b/payloads/libpayload/arch/mips/main.c deleted file mode 100644 index 7a71f90fa6..0000000000 --- a/payloads/libpayload/arch/mips/main.c +++ /dev/null @@ -1,58 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Imagination Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <exception.h> -#include <libpayload.h> - -/* The argc value to pass to main() */ -int main_argc; -/* The argv value to pass to main() */ -char *main_argv[MAX_ARGC_COUNT]; - -/* - * This is our C entry function - set up the system - * and jump into the payload entry point. - */ -void start_main(void); -void start_main(void) -{ - extern int main(int argc, char **argv); - - /* Gather system information. */ - lib_get_sysinfo(); - - /* Optionally set up the consoles. */ -#if !CONFIG(LP_SKIP_CONSOLE_INIT) - console_init(); -#endif - - exception_init(); - /* - * Any other system init that has to happen before the - * user gets control goes here - */ - - /* - * Go to the entry point. - * In the future we may care about the return value. - */ - - (void) main(main_argc, (main_argc != 0) ? main_argv : NULL); - - /* - * Returning here will go to the _leave function to return - * us to the original context. - */ -} diff --git a/payloads/libpayload/arch/mips/selfboot.c b/payloads/libpayload/arch/mips/selfboot.c deleted file mode 100644 index c69583134c..0000000000 --- a/payloads/libpayload/arch/mips/selfboot.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Copyright 2014 Google Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <libpayload.h> - -extern void *cb_header_ptr; - -void selfboot(void *entry) -{ - void (*entry_func)(void *) = entry; - entry_func(cb_header_ptr); -} diff --git a/payloads/libpayload/arch/mips/string.c b/payloads/libpayload/arch/mips/string.c deleted file mode 100644 index 79cc8d260a..0000000000 --- a/payloads/libpayload/arch/mips/string.c +++ /dev/null @@ -1,77 +0,0 @@ - /* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Imagination Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <stdint.h> -#include "string.h" - -/* - * Alternative string functions to the default ones are added - * because there is no guarantee that the provided source and - * destination addresses are properly aligned; - * The default string functions work with multiple of 4 bytes - * (sizeof(unsinged long)); MIPS will use LW/SW instructions - * for these operations and if the source and destination - * addresses are not aligned it will trigger an exception. - */ - -void *memcpy(void *dest, const void *src, size_t n) -{ - u8 *ptr_d = dest; - const u8 *ptr_s = src; - size_t i; - - for (i = 0; i < n; i++) - *ptr_d++ = *ptr_s++; - - return dest; -} - -void *memmove(void *dest, const void *src, size_t n) -{ - if ((src < dest) && (dest - src < n)) { - u8 *ptr_d = dest; - const u8 *ptr_s = src; - - /* copy backwards */ - while (n--) - ptr_d[n] = ptr_s[n]; - - return dest; - } - - /* copy forwards */ - return memcpy(dest, src, n); -} - -void *memset(void *s, int c, size_t n) -{ - u8 *ptr = s; - size_t i; - - for (i = 0; i < n; i++) - *ptr++ = c; - - return s; -} - -int memcmp(const void *s1, const void *s2, size_t n) -{ - size_t i; - - for (i = 0; i < n; i++) - if (((u8 *)s1)[i] != ((u8 *)s2)[i]) - return ((u8 *)s1)[i] - ((u8 *)s2)[i]; - return 0; -} diff --git a/payloads/libpayload/arch/mips/sysinfo.c b/payloads/libpayload/arch/mips/sysinfo.c deleted file mode 100644 index 49c6c84feb..0000000000 --- a/payloads/libpayload/arch/mips/sysinfo.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Imagination Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <libpayload-config.h> -#include <libpayload.h> -#include <coreboot_tables.h> -#include <multiboot_tables.h> - -/* - * This is a global structure that is used through the library - we set it - * up initially with some dummy values - hopefully they will be overridden. - */ -struct sysinfo_t lib_sysinfo = { - .cpu_khz = 200, -}; - -int lib_get_sysinfo(void) -{ - int ret; - - /* Get the CPU speed (for delays). */ - lib_sysinfo.cpu_khz = get_cpu_speed(); - - /* Get information from the coreboot tables, - * if they exist */ - ret = get_coreboot_info(&lib_sysinfo); - - /* If we can't get a good memory range, use the default. */ - if (!lib_sysinfo.n_memranges) { - lib_sysinfo.n_memranges = 1; - lib_sysinfo.memrange[0].base = 0; - lib_sysinfo.memrange[0].size = 1024 * 1024; - lib_sysinfo.memrange[0].type = CB_MEM_RAM; - } - - return ret; -} diff --git a/payloads/libpayload/arch/mips/timer.c b/payloads/libpayload/arch/mips/timer.c deleted file mode 100644 index a066f676d1..0000000000 --- a/payloads/libpayload/arch/mips/timer.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Imagination Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <libpayload.h> -#include <arch/cpu.h> -#include <arch/io.h> - -#define PISTACHIO_CLOCK_SWITCH 0xB8144200 -#define MIPS_EXTERN_PLL_BYPASS_MASK 0x00000002 - -/** - * @ingroup arch - * Global variable containing the speed of the processor in KHz. - */ -u32 cpu_khz; - -/** - * Calculate the speed of the processor for use in delays. - * - * @return The CPU speed in kHz. - */ -unsigned int get_cpu_speed(void) -{ - if (IMG_PLATFORM_ID() != IMG_PLATFORM_ID_SILICON) - cpu_khz = 50000; /* FPGA board */ - else { - /* If MIPS PLL external bypass bit is set, it means - * that the MIPS PLL is already set up to work at a - * frequency of 550 MHz; otherwise, the crystal is - * used with a frequency of 52 MHz - */ - if (read32(PISTACHIO_CLOCK_SWITCH) & - MIPS_EXTERN_PLL_BYPASS_MASK) - cpu_khz = 550000; - else - cpu_khz = 52000; - } - - return cpu_khz; -} diff --git a/payloads/libpayload/arch/mips/util.S b/payloads/libpayload/arch/mips/util.S deleted file mode 100644 index 986a34c5d4..0000000000 --- a/payloads/libpayload/arch/mips/util.S +++ /dev/null @@ -1,22 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Imagination Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - - .global halt - .text - .align 4 - .type halt, function -halt: - j halt - nop |